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Maintenance, Fault isolation, Chapter 5. maintenance – Comtech EF Data SNM-1000 User Manual

Page 131

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5–1

Chapter 5. MAINTENANCE

This chapter provides the following information:

Fault isolation

5.1 Fault

Isolation

CAUTION

This equipment contains parts and assemblies sensitive to damage by ESD.
Use ESD precautionary procedures when touching, removing, or inserting
PCBs.


The fault isolation procedure lists the following categories of faults or alarms.

• Modulator
• Demodulator
• Transmit

Interface

• Receive

Interface

• Common

Equipment

Note: Each fault or alarm category includes possible problems and the appropriate action
required to repair the modem.